POWERFLOW KIT 4T KTM/HQV/GAS SX-F/FC/FX250-450 19-22, EXC-F/FE250-450 19-23, MC-F/EC-F/EX-F 21-23 (R) 6.0 Beta Year Pitch Part Number

Beta Year Pitch Part Number Rev 3 125/200 00-08 520 FXRS 91-43  Rev 3 250/270 00-08 520 FXRS 91-41  Rev 3 4T 250 00-08 520 FXRS 91-42  Evo 2T 125 09-19 520 FXRS 91-43  Evo 2T 250/290 09-19 520 FXRS 91-41  Evo 4T 250/300  09-19 520 FXRS 91-42  Gas Gas Year Pitch Part Number TXT Trials  02-19 520 FXRS 91-42  Montesa Year Pitch Part Number 4RT  05-19 520 FXRS 91-42  Sherco Year Pitch Part Number 250-300 02-19 520 FXRS 91-42  Scorpa Year Pitch Part Number SY250  11-13 520 FXRS 91-42

CR125-250 04-07

RFX Race Linkage Kit Kawasaki KX65 02-21 RM65 03-05

replace the old washer with the new washer which is attached to the brake snake

but this is Gaerne Size Chart

POWERFLOW KIT 4T KTM/HQV/GAS SX-F/FC/FX250-450 19-22, EXC-F/FE250-450 19-23, MC-F/EC-F/EX-F 21-23 (R) 6.0 Beta Year Pitch Part NumberThe best filter in the world can't do its job if there are leaks in the seal of the airbox. That's why Twin Air provides a complete line of products to ensure a leak proof, fool proof fit. Twin Air's Power Flow kit comes with a rigid, lightweight, billet aluminium cage that provides a tight seal to the airbox and replaces your flimsy plastic stock cage. Includes a Fire resistant Twin Air Filter. (POWER FLOW KIT 154222C INC AIR FILTER FR, ALIMINIUM